Encyclopedia Entry: 74VHC374N

Product Overview

Category

The 74VHC374N belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronics for signal storage and manipulation. It serves as an octal D-type flip-flop with a transparent latch.

Characteristics

• High-speed operation: The 74VHC374N offers fast data transfer rates, making it suitable for applications requiring quick response times.
• Low power consumption: This IC is designed to minimize power consumption, making it energy-efficient.
• Wide operating voltage range: It can operate within a wide voltage range, typically between 2V and 5.5V.
• Compatibility: The 74VHC374N is compatible with both TTL and CMOS logic families.
• Robustness: It has built-in protection against electrostatic discharge (ESD) and excessive current.

Package and Quantity

The 74VHC374N is available in a standard 20-pin plastic dual in-line package (PDIP). It is commonly sold in reels or tubes containing multiple units, with quantities varying based on the supplier.

Specifications

• Supply Voltage Range: 2V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 100 MHz

Pin Configuration

The 74VHC374N has a total of 20 pins, each serving a specific function. The pin configuration is as follows:

1. Pin 1: Output Q0
2. Pin 2: Output Q1
3. Pin 3: Output Q2
4. Pin 4: Output Q3
5. Pin 5: Output Q4
6. Pin 6: Output Q5
7. Pin 7: Output Q6
8. Pin 8: Output Q7
9. Pin 9: Clock (CLK)
10. Pin 10: Data Input D0
11. Pin 11: Data Input D1
12. Pin 12: Data Input D2
13. Pin 13: Data Input D3
14. Pin 14: Data Input D4
15. Pin 15: Data Input D5
16. Pin 16: Data Input D6
17. Pin 17: Data Input D7
18. Pin 18: Master Reset (MR)
19. Pin 19: Output Enable (OE)
20. Pin 20: Ground (GND)

Functional Features

The 74VHC374N offers the following functional features: - Transparent latch: The IC has a transparent latch that allows data to be stored or passed through based on the clock signal. - Octal flip-flop: It consists of eight individual D-type flip-flops, allowing for simultaneous storage and retrieval of multiple bits of data. - Output enable control: The output enable pin enables or disables the outputs, providing flexibility in controlling data flow.

Advantages and Disadvantages

Advantages: - High-speed operation facilitates quick data transfer. - Low power consumption makes it energy-efficient. - Wide operating voltage range enhances compatibility with various systems. - Robustness against ESD and excessive current protects the IC from damage.

Disadvantages: - Limited maximum clock frequency compared to some other ICs. - Availability may vary depending on the supplier and market demand.

Working Principles

The 74VHC374N operates based on the principles of digital logic circuits. It utilizes flip-flops to store and manipulate binary data. The transparent latch allows data to pass through when the clock signal is active, while the output enable pin controls the output state.

Application Field Plans

The 74VHC374N finds applications in various fields, including: - Microprocessor systems - Data storage and retrieval systems - Communication equipment - Industrial automation - Consumer electronics

Alternative Models

There are several alternative models available that offer similar functionality to the 74VHC374N. Some popular alternatives include: - SN74LV374A - CD74HCT374 - MC74VHC374

These alternative models can be considered based on specific requirements, availability, and compatibility with existing systems.

In conclusion, the 74VHC374N is a versatile integrated circuit used for signal storage and manipulation in digital electronics. Its high-speed operation, low power consumption, and wide voltage range make it suitable for various applications. However, it is important to consider alternative models based on specific needs and availability.